Dried spores of Bacillus thuringiensis are used as biocontrol agent to control:
A
Mosquitoes
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B
Butterfly caterpillars
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C
Dragonflies
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D
Fungus of roots of higher plant
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Solution
The correct option is B Butterfly caterpillars Bacillus thuringiensis is used to control butterfly caterpillars.
Dragonflies are used to control mosquitoes.
Trichoderma is used to control root borne pathogens.